Mathematics · Functions and Domain
For what values of x is the expression f(x) = x - |x|x defined?
- 1For all x ≥ 0
- 2For all x ∈ ℝ \ {0}✓
- 3For all x ∈ ℝ
- 4For all x ≤ 0
Correct answer
For all x ∈ ℝ \ {0}
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